108051814666 has 48 divisors (see below), whose sum is σ = 182061712584. Its totient is φ = 47921061888.

The previous prime is 108051814643. The next prime is 108051814669. The reversal of 108051814666 is 666418150801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64251603441 + 43800211225 = 253479^2 + 209285^2 .

It is a super-2 number, since 2×108051814666² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108051814669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346076 + ... + 2391688.

Almost surely, 2^108051814666 is an apocalyptic number.

108051814666 is a deficient number, since it is larger than the sum of its proper divisors (74009897918).

108051814666 is a wasteful number, since it uses less digits than its factorization.

108051814666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45863 (or 45844 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 108051814666 in words is "one hundred eight billion, fifty-one million, eight hundred fourteen thousand, six hundred sixty-six".